Distributed Generation (DG): A Review

The development of supply structures of electricity which are currently via a large centralized stations, will transform into a system comprising of both centralized and distributed energy suppliers. DG is the application of small, modular electricity generation resources by utilities, utility customers, and/or third parties either individually or in an integrated form in such a manner that will benefit the customers, specific end-user, electric system, or both. To achieve the required advantages (regulatory, technical, environmental and commercial) of power systems, It is important to place DGs optimally. In this paper, a review of various aspect of DG is presented. It includes its definition, technologies and types, applications, benefits, challenges as well as techniques for DG optimization.